American Montessori Society

The American Montessori Society (AMS) is a New York City-based, member-supported nonprofit organization which promotes the use of the Montessori teaching approach in private and public schools.

AMS advocates for the Montessori method (popularized by Maria Montessori) throughout the United States, and publishes its own standards and criteria for its accredited member schools. AMS supports research and public policy that advocate for Montessori education. Provided by Wikipedia